This is probably what you’re referring to, the product, not the thread. Note what I put the red box around.
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Biodiesel 20 has less BTU content and can gel in really cold temps I've read. The renewable's a different animal.I used B20 in my 06 a few times all I got was more soot out the tail pipe, saw no increase in fuel mileage...
You never know. Maybe we'll transition to the simple, practical metric system some decade. Multiples of ten. Pretty complicated. I spent three months in Australia in 1979 and the older folks were still thinking in the English system. Canada still lists area of homes in SQ. feet. I was getting a new surfboard in Oz and the shaper wanted to know how many stone I weighed. Huh? it's all good.The European Union has finally figured out a name for that stuff.
It is called HVO100 now on the pumps.
Which stands for hydrotreated vegetable oil 100%.
https://en.m.wikipedia.org/wiki/Hydrotreated_vegetable_oil
I hope the US follows in that nomenclature.